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Runtime info: Make bytecount and timestamp info prettier

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Signed-off-by: Roopesh Chander <roop@roopc.net>
This commit is contained in:
Roopesh Chander
2019-01-28 16:22:20 +05:30
parent d1f83d167e
commit b0bb2e993a
2 changed files with 71 additions and 6 deletions
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WireGuard/WireGuard/UI/TunnelViewModel.swift
+58 -6
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@@ -254,17 +254,14 @@ class TunnelViewModel {
if let persistentKeepAlive = config.persistentKeepAlive {
scratchpad[.persistentKeepAlive] = tr(format: "tunnelPeerPersistentKeepaliveValue (%d)", persistentKeepAlive)
}
// TODO(roopc): These next 3 fields should be prettier
// - bytes() in https://git.zx2c4.com/WireGuard/tree/src/tools/show.c#n185
// - ago() in https://git.zx2c4.com/WireGuard/tree/src/tools/show.c#n158
if let rxBytes = config.rxBytes {
scratchpad[.rxBytes] = String(rxBytes)
scratchpad[.rxBytes] = prettyBytes(rxBytes)
}
if let txBytes = config.txBytes {
scratchpad[.txBytes] = String(txBytes)
scratchpad[.txBytes] = prettyBytes(txBytes)
}
if let lastHandshakeTime = config.lastHandshakeTime {
scratchpad[.lastHandshakeTime] = lastHandshakeTime.description
scratchpad[.lastHandshakeTime] = prettyTimeAgo(timestamp: lastHandshakeTime)
}
updateExcludePrivateIPsFieldState()
}
@@ -512,3 +509,58 @@ extension TunnelViewModel {
#endif
}
}
private func prettyBytes(_ bytes: UInt64) -> String {
switch bytes {
case 0..<1024:
return "\(bytes) B"
case 1024 ..< (1024 * 1024):
return String(format: "%.2f", Double(bytes) / 1024) + " KiB"
case 1024 ..< (1024 * 1024 * 1024):
return String(format: "%.2f", Double(bytes) / (1024 * 1024)) + " MiB"
case 1024 ..< (1024 * 1024 * 1024 * 1024):
return String(format: "%.2f", Double(bytes) / (1024 * 1024 * 1024)) + " GiB"
default:
return String(format: "%.2f", Double(bytes) / (1024 * 1024 * 1024 * 1024)) + " TiB"
}
}
private func prettyTimeAgo(timestamp: Date) -> String {
let now = Date()
let timeInterval = Int64(now.timeIntervalSince(timestamp))
switch timeInterval {
case ..<0: return tr("tunnelHandshakeTimestampSystemClockBackward")
case 0: return tr("tunnelHandshakeTimestampNow")
default:
return tr(format: "tunnelHandshakeTimestampAgo (%@)", prettyTime(secondsLeft: timeInterval))
}
}
private func prettyTime(secondsLeft: Int64) -> String {
var left = secondsLeft
var timeStrings = [String]()
let years = left / (365 * 24 * 60 * 60)
left = left % (365 * 24 * 60 * 60)
let days = left / (24 * 60 * 60)
left = left % (24 * 60 * 60)
let hours = left / (60 * 60)
left = left % (60 * 60)
let minutes = left / 60
let seconds = left % 60
if years > 0 {
timeStrings.append(years == 1 ? tr(format: "tunnelHandshakeTimestampYear (%d)", years) : tr(format: "tunnelHandshakeTimestampYears (%d)", years))
}
if days > 0 {
timeStrings.append(days == 1 ? tr(format: "tunnelHandshakeTimestampDay (%d)", days) : tr(format: "tunnelHandshakeTimestampDays (%d)", days))
}
if hours > 0 {
timeStrings.append(hours == 1 ? tr(format: "tunnelHandshakeTimestampHour (%d)", hours) : tr(format: "tunnelHandshakeTimestampHours (%d)", hours))
}
if minutes > 0 {
timeStrings.append(minutes == 1 ? tr(format: "tunnelHandshakeTimestampMinute (%d)", minutes) : tr(format: "tunnelHandshakeTimestampMinutes (%d)", minutes))
}
if seconds > 0 {
timeStrings.append(seconds == 1 ? tr(format: "tunnelHandshakeTimestampSecond (%d)", seconds) : tr(format: "tunnelHandshakeTimestampSeconds (%d)", seconds))
}
return timeStrings.joined(separator: ", ")
}